ST1S12XX(2008) 데이터 시트보기 (PDF) - STMicroelectronics

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ST1S12XX
(Rev.:2008)

Synchronous rectification with enable, 0.7 A, 1.7 MHz fixed or adjustable step-down switching regulator in TSOT23-5L

STMicroelectronics 

ST1S12xx

1

Schematic

Figure 1. Schematic diagram

VIN

UVLO

I_SEN

Σ

VSUM

Comp

VRST

MOSFET

CONTROL

VDRV_P Driver

VSET

LOGIC

Schematic

Rsense

OSC

VC

SW

DMD

DMD

SOFT START

SHUT DOWN

VDRV_N Driver

REF1

FB/VO

EN

Gnd

3/20

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